UNIT 13 Sec 1: Bacteria and Viruses

Which Domains are bacteria a part of?

• Archea
• Bacteria
• Eukarya
• Protista

How old are the oldest bacteria fossils in billions of years? (Just type the number?)

What are the three shapes of bacteria?

• Pyramidal Shaped
• Rod Shaped
• Spherical Shaped
• Spiral Shaped

Which type of bacteria are simpler?

• Bacteriophages
• Gram-negative
• Gram-positive
• Viruses

What macromolecule is unusual in archea's cell membranes?

• carbohydrate
• lipid
• protein
• nucleic acid

Which type of archea get their energy by changing H2 and CO2 into methane?

• Bacteriophages
• Extreme Halophiles
• Methanogens
• Thermoacidophiles

Which type of archea live in high salt concentrations?

• Bacteriophages
• Extreme Halophiles
• Methanogens
• Thermoacidophiles

Which type of archea live in acidic and high temperature environments?

• Bacteriophages
• Extreme Halophiles
• Methanogens
• Thermoacidophiles

What part of a bacteria is made of a lipid bilayer?

• Cell Wall
• Cell Membrane
• Capsule
• Pili

Tags

NGSS.MS-LS1-2

Which part of the bacteria is a short, hairlike protein that helps bacteria stick to host cells?

• Capsule
• Endospore
• Flagella
• Pili